import java.util.HashMap;
import java.util.Map;

/**
 * 无序
 */
public class IsOrder {
    public static void main(String[] args) throws Exception {
        Map<String, Integer> map = new HashMap<>();
        map.put("柳岩", 1);
        map.put("杨幂", 2);
        map.put("刘德华", 3);
        System.out.println(map);
    }
}
